Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → Boston via Chicago: arrives on time 33%
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11:55 IAH → 14:51 ORDUA 2827 · United · 2h 56m · 67% on time, 1.4% cancelled
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1h 04m layover in Chicago (ORD) · 45 min minimum on one ticket
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15:55 ORD → 19:30 BOSUA 2466 · United · 2h 35m · 49% on time, 2.0% cancelled
Total trip 6h 35m, scheduled departure to arrival (Boston is 1 h ahead of Houston). Times are local. Both flew on 56 of the last 56 days.
Makes the connection69%The first flight arrived more than 19 minutes late on 31% of the days it flew: too late for the 45-minute minimum connection on a 1h 04m layover.
Arrives on time33%First flight not cancelled (1.4% are) × connection made (69%) × second flight not cancelled (2.0% are) and within 15 minutes (49%).
Total trip6h 35mIAH 11:55 to BOS 19:30, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.